class_docstr: The dispatcher is responsible for assigning tasks to free workers, report results back to the master and
  communicate to the nameserver.
code: def trigger_discover_worker(self):
      # time.sleep(1)
      self.logger.info(
          "DISPATCHER: A new worker triggered discover_worker"
      )
      with self.discover_cond:
          self.discover_cond.notify()
  
imports: import threading
  import logging
  import queue
  import time
  import Pyro4
label_desc: Use image node_id 5 for calling the Dispatcher obj's underlying member method code with example usage: obj.trigger_discover_worker() without return types